Truong Tieu Hoc Cao Xanh TP Ha Long Address: 31 Khu 3 Civil Group, Cao Xanh Ward, Cao Xanh Ward, Ha Long City, Quang Ninh Province Enterprise code: 5701286719 Phone: 02033827359 Adress: Civil Group 10, Khu 1, Ha Trung Ward, Ha Long City, Quang Ninh Province Cao Xanh Ward, Ha Long City, Quang Ninh ProvinceFounding date: 2 - 7 - 2009